The FRED series Replacement-Cost Value of Structures: Households - Net Worth - Balance Sheet of Households and Nonprofit Organizations is now known as Households; Residential Structures, Current Cost Basis.
The source series id is FL155012665.Q.
This series appears in Table B.101. For further information see the assistance provided in the guide to the Financial Accounts at http://www.federalreserve.gov/apps/fof/.
Board of Governors of the Federal Reserve System (US), Households; Residential Structures, Current Cost Basis, Level [RCVSHNWBSHNO], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/RCVSHNWBSHNO, February 20, 2018.